package com.yiruantong.common.security.handler;

import cn.hutool.core.util.ReUtil;
import com.yiruantong.common.core.utils.SpringUtils;
import lombok.Data;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.mvc.method.RequestMappingInfo;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping;

import java.util.*;
import java.util.regex.Pattern;

/**
 * 获取所有Url配置
 *
 * @author YiRuanTong
 */
@Data
public class AllUrlHandler implements InitializingBean {

  private static final Pattern PATTERN = Pattern.compile("\\{(.*?)\\}");

  private List<String> urls = new ArrayList<>();

  @Override
  public void afterPropertiesSet() {
    Set<String> set = new HashSet<>();
    RequestMappingHandlerMapping mapping = SpringUtils.getBean("requestMappingHandlerMapping", RequestMappingHandlerMapping.class);
    Map<RequestMappingInfo, HandlerMethod> map = mapping.getHandlerMethods();
    map.keySet().forEach(info -> {
      // 获取注解上边的 path 替代 path variable 为 *
      Objects.requireNonNull(info.getPathPatternsCondition().getPatterns())
        .forEach(url -> set.add(ReUtil.replaceAll(url.getPatternString(), PATTERN, "*")));
    });
    urls.addAll(set);
  }

}
